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Finding the Fourth Proportional to 154,951.61, 232,551.95 and 80,093.68

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Solution

The fourth proportional to 154,951.61, 232,551.95 and 80,093.68 is: 120,204.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,951.61 : 232,551.95 = 80,093.68 : x
  2. Step 2: Convert to fraction form
    154,951.61/232,551.95 = 80,093.68/x
  3. Step 3: Cross multiply
    154,951.61x = 232,551.95 × 80,093.68
  4. Step 4: Simplify right side
    154,951.61x = 18,625,940,484.83
  5. Step 5: Solve for x
    x = 18,625,940,484.83/154,951.61
  6. Step 6: Final answer
    x = 120,204.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.